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Overhead view of homemade walnut blondies recipe cut into squares on a white marble kitchen counter with crumbs scattered.

Walnut Blondies Recipe

Chewy, buttery walnut blondies recipe with a fudgy center and toasted walnuts. Easy to make in one bowl with pantry staples.
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Course: Dessert, Snack
Cuisine: American, Homemade Baking
Prep Time: 15 minutes
Cook Time: 30 minutes
Resting time (batter hydration): 15 minutes
Total Time: 1 hour
Servings: 16 squares
Calories: 260kcal
Cost: $7

Equipment

  • 1 9x13 inch metal baking pan Ensures even baking
  • 1 Large mixing bowl Glass or stainless steel preferred
  • 1 Wooden spoon Prevents overmixing
  • 1 Kitchen scale For precise measurements
  • 1 Offset spatula For spreading batter evenly
  • 1 roll Parchment paper Easy lift and no sticking

Ingredients

Main Batter

  • 1 cup Unsalted butter Melted
  • 1 ½ cups Light brown sugar Packed
  • 2 large Eggs Room temperature
  • 2 teaspoon Vanilla extract
  • 1 ½ cups All-purpose flour
  • ½ teaspoon Salt
  • 1 ¼ cups Walnuts Chopped, toasted

Optional Add-ins

  • ½ cup White chocolate chips
  • ¼ cup Mini chocolate chips
  • 1 tablespoon Instant coffee powder For mocha flavor

Instructions

  • Preheat oven to 350°F (175°C).
  • Line a 9x13-inch metal baking pan with parchment paper and toast walnuts until fragrant.
  • In a large mixing bowl, whisk together melted butter and light brown sugar until smooth.
  • Beat in the eggs and vanilla extract until fully incorporated.
  • In a separate bowl, combine flour and salt.
  • Gently fold dry ingredients into wet ingredients, then fold in walnuts and any optional add-ins.
  • Spread the batter evenly in the prepared pan with an offset spatula.
  • Bake for 28–32 minutes, until edges are golden and center is set but fudgy.
  • Cool completely in the pan before slicing into 16 squares.

Notes

  • Nutrition information is automatically calculated, so should only be used as an approximation.

Nutrition

Serving: 55g | Calories: 260kcal | Carbohydrates: 28g | Protein: 3g | Fat: 15g | Saturated Fat: 6g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 4g | Cholesterol: 45mg | Sodium: 110mg | Potassium: 95mg | Fiber: 1g | Sugar: 20g | Vitamin A: 280IU | Calcium: 25mg | Iron: 1mg